thumb|300px|right|The Final Five Circuits The 1980 Southern 500 was a Winston Cup Series event held at Darlington Speedway on September 1, 1980. Terry Labonte won his first career race, holding off David Pearson to the caution flag as a multi-car crash eliminated the leaders. Meanwhile, Dale Earnhardt finished 5th to take a 98-point championship lead on Cale Yarborough (29th). Stats